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United States · Alaska

M1.7 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-10-17 16:15:45 UTC Local time: —
Magnitude
M1.7
Depth
35.6 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

On October 17, 2026 at 16:15 UTC, a magnitude M1.7 earthquake occurred near Matanuska-Susitna Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 36 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 144 earthquakes were recorded in the past 24 hours, the strongest reaching M3.8.

Depth profile

Depth profile Depth: 35.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35.6 km
Shallow
35.6 km
35.6 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Spurr
    Distance: 128 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 134 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 193 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 241 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 291 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 310 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Merrill FieldUnited States · MRI · PAMR
    35.6 kmStraight-line distance
  • Ted Stevens Anchorage International AirportUnited States · ANC · PANC
    39.6 kmStraight-line distance
  • Wasilla Creek AirparkUnited States · 05AK
    40.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 4,148 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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